Konica Minolta PagePro 1390 MF - Manual (Page 154)

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CONTENTS
GENERAL
1. SPECIFICATIONS ........................................................................................... G-1
DIS/REASSEMBLY,ADJUSTMENT
1. MAINTENANCE SCHEDULE .......................................................................... D-1
2. CLEANING/REPLACEMENT OF PARTS ........................................................ D-2
(1) Cleaning the Take-up Roller ............................................................ D-2
(2) Replacing the Take-up Roller .......................................................... D-2
(3) Cleaning the Transport Roller .......................................................... D-3
(4) Cleaning the Exit Roller ................................................................... D-3
(5) Cleaning the Separator Pad ............................................................. D-3
(6) Replacing of the Separator Pad ....................................................... D-4
3. DISASSEMBLY/REASSEMBLY ...................................................................... D-5
3-1. Names/Removal of External Parts ........................................................... D-5
(1) Removing the Auto Document Feeder (ADF) Paper Feed Guide .... D-5
3-2. Removal of Circuit Boards ....................................................................... D-7
(1) Removing the AF Control Board (PWB-A AF) ................................. D-7
3-3. Disassembly ............................................................................................. D-9
(1) Removing the Automatic Document Feeder .................................... D-9
(2) Removing the Drive Unit Assy ......................................................... D-10
(3) Removing the Paper Feeding Sensor Assy ..................................... D-10
TROUBLESHOOTING
1. INTRODUCTION .............................................................................................. T-1
1-1. Electrical Components Check Procedures ............................................... T-1
(1) Sensors ............................................................................................ T-1
(2) Motors ............................................................................................. T-2
2. PAPER MISFEED ............................................................................................ T-3
2-1. Initial Check Items .................................................................................... T-3
2-2. Paper Misfeed Displays ........................................................................... T-4
2-3. Locations of Misfeed Detection Sensors .................................................. T-5
2-4. Misfeed Detection Timing and Troubleshooting Procedures ................... T-6
(1) Original misfeeds ............................................................................. T-6